US Bridges

S.H. 11 W.B. over I-35 under

Fair

Kay County, Oklahoma · 8 MI N I-35 & US 60 JCT · Structure no. 277720000000000

Built
2006
19 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
238 ft
2 main spans
Daily traffic
2,500
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 11 W.B. over I-35 under is a steel stringer/multi-beam or girder carrying S.H. 11 W.B. over I-35 under in Kay County, Oklahoma. It was built in 2006, so it is 19 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,500 vehicles a day, roughly 16% of them trucks, projected to reach 4,000 by 2042. The structure is 238 ft (72.5 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesS.H. 11 W.B.
CrossesI-35 under
Location8 MI N I-35 & US 60 JCT
RouteState Highway 11
CountyKay County
StateOklahoma
Coordinates36.81137, -97.34203
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length238 ft (72.5 m)
Longest span119 ft (36.3 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2022)
Projected traffic4,000 by 2042
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.H. 11 W.B. over I-35 under built?

It was built in 2006, making it 19 years old in 2025.

What condition is S.H. 11 W.B. over I-35 under in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does S.H. 11 W.B. over I-35 under carry?

About 2,500 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 11 W.B. over I-35 under?

The structure is 238 ft (72.5 m) long with a longest span of 119 ft (36.3 m) and a deck 41 ft wide.

Who owns S.H. 11 W.B. over I-35 under?

It is owned by the State Highway Agency.